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Finding the Fourth Proportional to 183,257.64, 274,891.86 and 69,380.58

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Solution

The fourth proportional to 183,257.64, 274,891.86 and 69,380.58 is: 104,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,257.64 : 274,891.86 = 69,380.58 : x
  2. Step 2: Convert to fraction form
    183,257.64/274,891.86 = 69,380.58/x
  3. Step 3: Cross multiply
    183,257.64x = 274,891.86 × 69,380.58
  4. Step 4: Simplify right side
    183,257.64x = 19,072,156,684.08
  5. Step 5: Solve for x
    x = 19,072,156,684.08/183,257.64
  6. Step 6: Final answer
    x = 104,072.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.